Service Area - Sydney Hills District All Natural Energy provides service to most Sydney Hills District locations including: Annangrove Baulkham Hills Beaumont Hills Bella Vista Box HIll Carlingford Castle HIll Cattai Dural Glenhave Glenorie Kellyville Kenthurst Leets Vale Lower Portland Maraylya Maroota Middle Dural Nelson North Parramatta North Rocks Oatlands Rouse HIll Sackville North South Maroota West Pennant Hills Wisemans Ferry